Approximation of an Archimedian Spiral Using Bézier CurvesDrawing an Archimedian spiral with SVG is a problem, because such
paths are not exactly available in SVG. Therefore they have to be approximated
using for example a path with cubic Bézier curve segments.
They are choosen in such a way, that the path at all is continuously differentiable.
However it depends on the number of used curve segments, how good the
approximation is. With a small number it really looks like hand painted.
The direction and colour of the spiral can be switched with a click on or an activate
of the spiral, the number of points is either choosen randomly or can be set with the
GET parameter n in the range 2 to 100.